Erstwhile

//ˈɝst.waɪl// adj, adv

Definitions

Adjective
  1. 1
    Former, previous. India, literary, not-comparable

    "“Scarcely had Alice reached her twentieth birthday, than she gave her erstwhile fiancée^([sic]) his formal congé.[…]”"

  2. 2
    Respected, honourable. not-comparable, proscribed

    "If you're for one of my erstwhile opponents, that's O.K. Just don't work too hard."

Adjective
  1. 1
    belonging to some prior time wordnet
Adverb
  1. 1
    Formerly; in the past. formal, literary, not-comparable
Adverb
  1. 1
    at a previous time wordnet

Etymology

Etymology 1

From erst (“first, formerly”) + while.

Etymology 2

From erst (“first, formerly”) + while.

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